Yuichi Kobayashi

PK Pentel Kabushiki Kaisha: 1 patents #3 of 9Top 35%

Overall (1989): #39,630 of 140,708Top 30%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4822417	Marking ink composition	Satoshi Saito	1989-04-18